Microsoft released the new Windows 10 build 14342 this morning. The new build 14342 is available for those registered in the fast ring and comes with several important improvements, such as new extensions for Edge and several new features.
So since the update was released through the Fast Ring there are no official ISO images. This build is supposed to be installed only through Windows Update.
Below you will find links to unofficial ISO images, which will help you install Windows 10 build 14342 from scratch.
Pro
14342.1000.160506-1708.RS1_RELEASE_CLIENTPRO_OEMRET_X64FRE_EN-US.ISO (3.68 GB)
14342.1000.160506-1708.RS1_RELEASE_CLIENTPRO_OEMRET_X86FRE_EN-US.ISO (2.77 GB)
Enterprise
14342.1000.160506-1708.RS1_RELEASE_CLIENTENTERPRISE_VOL_X64FRE_EN-US.ISO (3.57 GB)
14342.1000.160506-1708.RS1_RELEASE_CLIENTENTERPRISE_VOL_X86FRE_EN-US.ISO (2.65 GB)
Core
14342.1000.160506-1708.RS1_RELEASE_CLIENTCORE_OEMRET_X64FRE_EN-US.ISO (3.67 GB)
14342.1000.160506-1708.RS1_RELEASE_CLIENTCORE_OEMRET_X86FRE_EN-US.ISO (2.76 GB)
The following keys are available for installation only: They do not work for Windows activation.
Windows 10 Core : KTNPV-KTRK4-3RRR8-39X6W-W44T3
Windows 10 Education : NW6C2-QMPVW-D7KKK-3GKT6-VCFB2
Windows 10 Home : TX9XD-98N7V-6WMQ6-BX7FG-H8Q99
Windows 10 Professional : W269N-WFGWX-YVC9B-4J6C9-T83GX
Windows 10 Enterprise : NPPR9-FWDCX-D2C8J-H872K-2YT43
